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The absence of the antiferromagnetic order in Nd_{0.9}Ca_{0.1}BaCo_2O_{5.5} has been found to remain unchanged by applying a hydrostatic pressure of 10 kbar. In magnetic studies of polycrystalline Nd_{0.9}Ca_{0.1}BaCo_2O_{5+δ} (δ=0.07-0.69), we have found a reappearance of the antiferromagnetic phase, caused by an increase in oxygen index δ above 0.51 related to extra oxygen ions addition into the NdO_{δ} plane. For the samples with δ=0.555 and 0.59, a coexistence of well developed antiferromagnetic phase with ferrimagnetic one is evidenced.
Discipline
- 75.50.Gg: Ferrimagnetics
- 75.30.Kz: Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.)(for ferroelectric phase transitions, see 77.80.B-; for superconductivity phase diagrams, see 74.25.Dw)
- 62.50.-p: High-pressure effects in solids and liquids(for high pressure apparatus and techniques, see 07.35.+k; for high-pressure behavior of rocks and minerals, see 91.60.Gf; for pressure treatments, see 81.40.Vw in materials science; for effects of pressure on superconducting transition temperature, see 74.62.Fj)
Journal
Year
Volume
Issue
Pages
A-50-A-53
Physical description
Dates
published
2014-10
Contributors
author
- Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, PL-02-668 Warsaw, Poland
author
- Department of Physics, Northern Illinois University, De Kalb, IL 60115, USA
author
- Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, PL-02-668 Warsaw, Poland
author
- Department of Physics, Northern Illinois University, De Kalb, IL 60115, USA
References
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv126n4a10kz